Temporary tables Show 12 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Creates a new table in the database. Note For reference to Warehouse in Microsoft Fabric, visit CREATE TABLE (Fabric Data Warehouse). For reference to Azure Syn...
SQL コピー UPDATE MyTable SET NullCol = N'some_value' WHERE NullCol IS NULL; ALTER TABLE MyTable ALTER COLUMN NullCOl NVARCHAR(20) NOT NULL; CREATE TABLE または ALTER TABLE ステートメントを使ってテーブルを作成または変更すると、列の定義で使われているデータ型の NULL 値の許容...
SQL USEAdventureWorks2022; GO-- Create a temporary table variable to hold the output actions.DECLARE@SummaryOfChangesTABLE(ChangeVARCHAR(20));MERGEINTOSales.SalesReasonASTargetUSING(VALUES('Recommendation','Other'), ('Review','Marketing'), ('Internet','Promotion'))ASSource(NewName, NewReasonType...
此源表是一个派生表,它使用 Transact-SQL 表值构造函数指定源表的多个行。 SQL 复制 USE AdventureWorks2022; GO -- Create a temporary table variable to hold the output actions. DECLARE @SummaryOfChanges TABLE(Change VARCHAR(20)); MERGE INTO Sales.SalesReason AS Target USING (VALUES ('...
Temporary tables Show 12 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Creates a new table in the database. Note For reference to Warehouse in Microsoft Fabric, visit CREATE TABLE (Fabric Data Warehouse). For reference to Azure Syn...
SQL DROPTABLEAdventureWorks2022.dbo.SalesPerson2 ; C. Dropping a temporary table The following example creates a temporary table, tests for its existence, drops it, and tests again for its existence by attempting to execute aSELECTstatement, which fails. This example doesn't use theIF EXISTSsynta...
Temporary tables إظهار 13 إضافي Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Creates a new table in SQL Server and Azure SQL Database. ملاحظة For Azure Synapse Analytics syntax, see CREATE TABLE (Azure Synapse Analytics)....
适用于:SQL ServerAzure SQL 数据库Azure SQL 托管实例Microsoft Fabric SQL 数据库 在数据库中创建新表。 备注 有关Microsoft Fabric 中仓库的引用,请访问 CREATE TABLE (Fabric 数据仓库)。 有关Azure Synapse Analytics 和 Analytics Platform System (PDW) 的参考,请访问 CREATE TABLE (Azure Synapse Analytics)...
Applies to: SQL Server 2019 (15.x) and later versions, and Azure SQL Database 'DISABLE_INTERLEAVED_EXECUTION_TVF' Disables interleaved execution for multi-statement table-valued functions. For more information, see Interleaved execution for ...
Applies to: SQL Server 2019 (15.x) and later versions, and Azure SQL Database 'DISABLE_INTERLEAVED_EXECUTION_TVF' Disables interleaved execution for multi-statement table-valued functions. For more information, see Interleaved execution for multi-statement table-valued functions.Applies to...